Synlogic Ownership | Who Owns Synlogic?

Synlogic Ownership Summary

Synlogic is owned by 55.20% institutional investors, 11.31% insiders, and 33.49% retail investors. Vanguard US Total Market Shares ETF is the top mutual fund, with 1.19% of its assets in Synlogic shares.

SYBX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Synlogic	55.20%	11.31%	33.49%
Sector	Healthcare Stocks	279.17%	10.51%	-189.68%
Industry	Biotech Stocks	63.95%	10.67%	25.38%

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	17	-	6,780,518	0.24%	55	1.79%	4	33.33%	3	50.00%
Dec 31, 2024	17	6.25%	6,764,147	-0.91%	55	1.78%	3	50.00%	2	-50.00%
Sep 30, 2024	16	-5.88%	6,826,002	-1.63%	55	1.73%	2	-50.00%	4	33.33%
Jun 30, 2024	17	6.25%	6,939,069	0.22%	56	1.75%	4	-33.33%	3	-25.00%
Mar 31, 2024	16	-33.33%	6,924,167	46.81%	57	1.08%	6	-53.85%	4	-20.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	139.45K	1.19%	-
Vanguard Total Stock Mkt Idx Inv	139.45K	1.19%	-
Fidelity VIP Growth Initial	76.83K	0.66%	-
Fidelity Capital Appreciation	61.29K	0.52%	-
Fidelity Advisor Equity Growth I	43.12K	0.37%	-
Vanguard Institutional Extnd Mkt Idx Tr	42.48K	0.36%	-
Fidelity Extended Market Index	37.53K	0.32%	-2.34K
Fidelity Growth Discovery	29.26K	0.25%	-
Fidelity Advisor Series Equity Gr	10.65K	0.09%	-
Fidelity Series Total Market Index	9.54K	0.08%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 02, 2025	Dooley Mary Beth	See Remarks below	Sell	$172.80
Feb 03, 2025	Dooley Mary Beth	See Remarks below	Sell	$2.80K
Oct 29, 2024	Dooley Mary Beth	Head of Finance	Sell	$110.60
Apr 02, 2024	Dooley Mary Beth	Head of Finance	Sell	$325.24
Apr 02, 2024	Awad Antoine	Chief Operating Officer	Sell	$643.56

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	1
2025 Q1	-	1
2024 Q4	-	1
2024 Q2	-	2
2024 Q1	-	-

SYBX Ownership FAQ

Who Owns Synlogic?

Synlogic shareholders are primarily institutional investors at 55.20%, followed by 11.31% insiders and 33.49% retail investors. The average institutional ownership in Synlogic's industry, Biotech Stocks , is 63.95%, which Synlogic falls below.

Does Blackrock own Synlogic?

BlackRock is not among the top 10 institutional shareholders of Synlogic.

Who is the top mutual fund holder of Synlogic shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Synlogic shares, with 1.19% of its total shares outstanding invested in 139.45K Synlogic shares.

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